Why is my Lexus LS 400 dumping gas on the spark plugs?

Asked by Jwcross1953 Dec 11, 2014 at 08:23 PM about the 1994 Lexus LS 400 RWD

Question type: Maintenance & Repair

Raw gas is coming out of the tail with a white exhaust. What could possible be causing
it?

1 Answer
144,725

T_S_T answered 9 years ago

One cause of this is bad o2 sensor,s,or even could be a blowed intake gasket,if engine light is on ,go have it scanned to find the issue.

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